winaccessibility/inc/AccTreeEventListener.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #pragma once
  21
  22 #include <stdio.h>
  23 #include "AccDescendantManagerEventListener.hxx"
  24 #include <com/sun/star/accessibility/XAccessibleEventListener.hpp>
  25 #include <com/sun/star/accessibility/XAccessible.hpp>
  26
  27 /**
  28  * AccTreeEventListener is inherited from AccDescendantManagerEventListener. It handles
  29  * the events generated by tree controls. The accessible role is: TREE.
  30  * It defines the procedure of specific event handling related with tree components
  31  * and provides the detailed support for some related methods.
  32  */
  33 class AccTreeEventListener : public AccDescendantManagerEventListener
  34 {
  35 public:
  36     AccTreeEventListener(css::accessibility::XAccessible* pAcc, AccObjectManagerAgent* Agent);
  37     virtual ~AccTreeEventListener() override;
  38
  39     // XAccessibleEventListener
  40     virtual void SAL_CALL
  41     notifyEvent(const css::accessibility::AccessibleEventObject& aEvent) override;
  42
  43     //for active descendant changed event
  44     virtual void HandleActiveDescendantChangedEvent(css::uno::Any oldValue, css::uno::Any newValue);
  45 };
  46
  47 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */